Dumbo dives out of a burning circus building, 60 m above the ground. How much time does he have to figure out he does not need his magic feather to fly?

Determine the maximum r-value of the polar equation r =3+3 cos 0

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?